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<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2014 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: Endpoint.html 5 2014-12-10 22:27:01Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.dellroad.msrp;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>import java.net.InetSocketAddress;<a name="line.10"></a>
<span class="sourceLineNo">011</span><a name="line.11"></a>
<span class="sourceLineNo">012</span>/**<a name="line.12"></a>
<span class="sourceLineNo">013</span> * Combination of a host and port.<a name="line.13"></a>
<span class="sourceLineNo">014</span> *<a name="line.14"></a>
<span class="sourceLineNo">015</span> * &lt;p&gt;<a name="line.15"></a>
<span class="sourceLineNo">016</span> * Instances are immutable.<a name="line.16"></a>
<span class="sourceLineNo">017</span> * &lt;/p&gt;<a name="line.17"></a>
<span class="sourceLineNo">018</span> */<a name="line.18"></a>
<span class="sourceLineNo">019</span>public class Endpoint {<a name="line.19"></a>
<span class="sourceLineNo">020</span><a name="line.20"></a>
<span class="sourceLineNo">021</span>    private final String host;<a name="line.21"></a>
<span class="sourceLineNo">022</span>    private final int port;<a name="line.22"></a>
<span class="sourceLineNo">023</span><a name="line.23"></a>
<span class="sourceLineNo">024</span>    /**<a name="line.24"></a>
<span class="sourceLineNo">025</span>     * Constructor.<a name="line.25"></a>
<span class="sourceLineNo">026</span>     *<a name="line.26"></a>
<span class="sourceLineNo">027</span>     * @param host remote host<a name="line.27"></a>
<span class="sourceLineNo">028</span>     * @param port TCP port<a name="line.28"></a>
<span class="sourceLineNo">029</span>     * @throws IllegalArgumentException if {@code host} is null<a name="line.29"></a>
<span class="sourceLineNo">030</span>     * @throws IllegalArgumentException if {@code port} is not in the range 1-65535<a name="line.30"></a>
<span class="sourceLineNo">031</span>     */<a name="line.31"></a>
<span class="sourceLineNo">032</span>    public Endpoint(String host, int port) {<a name="line.32"></a>
<span class="sourceLineNo">033</span>        if (host == null)<a name="line.33"></a>
<span class="sourceLineNo">034</span>            throw new IllegalArgumentException("null host");<a name="line.34"></a>
<span class="sourceLineNo">035</span>        if (port &lt; 1 || port &gt; 65535)<a name="line.35"></a>
<span class="sourceLineNo">036</span>            throw new IllegalArgumentException("invalid port " + port);<a name="line.36"></a>
<span class="sourceLineNo">037</span>        this.host = host;<a name="line.37"></a>
<span class="sourceLineNo">038</span>        this.port = port;<a name="line.38"></a>
<span class="sourceLineNo">039</span>    }<a name="line.39"></a>
<span class="sourceLineNo">040</span><a name="line.40"></a>
<span class="sourceLineNo">041</span>    public String getHost() {<a name="line.41"></a>
<span class="sourceLineNo">042</span>        return this.host;<a name="line.42"></a>
<span class="sourceLineNo">043</span>    }<a name="line.43"></a>
<span class="sourceLineNo">044</span><a name="line.44"></a>
<span class="sourceLineNo">045</span>    public int getPort() {<a name="line.45"></a>
<span class="sourceLineNo">046</span>        return this.port;<a name="line.46"></a>
<span class="sourceLineNo">047</span>    }<a name="line.47"></a>
<span class="sourceLineNo">048</span><a name="line.48"></a>
<span class="sourceLineNo">049</span>    /**<a name="line.49"></a>
<span class="sourceLineNo">050</span>     * Convert this instance to a {@link InetSocketAddress}. This may result in a DNS lookup.<a name="line.50"></a>
<span class="sourceLineNo">051</span>     * If the lookup fails, the returned {@link InetSocketAddress} will be &lt;i&gt;unresolved&lt;/i&gt;.<a name="line.51"></a>
<span class="sourceLineNo">052</span>     */<a name="line.52"></a>
<span class="sourceLineNo">053</span>    public InetSocketAddress toSocketAddress() {<a name="line.53"></a>
<span class="sourceLineNo">054</span>        return new InetSocketAddress(this.host, this.port);<a name="line.54"></a>
<span class="sourceLineNo">055</span>    }<a name="line.55"></a>
<span class="sourceLineNo">056</span><a name="line.56"></a>
<span class="sourceLineNo">057</span>    @Override<a name="line.57"></a>
<span class="sourceLineNo">058</span>    public String toString() {<a name="line.58"></a>
<span class="sourceLineNo">059</span>        return this.host + ":" + this.port;<a name="line.59"></a>
<span class="sourceLineNo">060</span>    }<a name="line.60"></a>
<span class="sourceLineNo">061</span><a name="line.61"></a>
<span class="sourceLineNo">062</span>    @Override<a name="line.62"></a>
<span class="sourceLineNo">063</span>    public boolean equals(Object obj) {<a name="line.63"></a>
<span class="sourceLineNo">064</span>        if (obj == this)<a name="line.64"></a>
<span class="sourceLineNo">065</span>            return true;<a name="line.65"></a>
<span class="sourceLineNo">066</span>        if (obj == null || obj.getClass() != this.getClass())<a name="line.66"></a>
<span class="sourceLineNo">067</span>            return false;<a name="line.67"></a>
<span class="sourceLineNo">068</span>        final Endpoint that = (Endpoint)obj;<a name="line.68"></a>
<span class="sourceLineNo">069</span>        return this.host.equals(that.host) &amp;&amp; this.port == that.port;<a name="line.69"></a>
<span class="sourceLineNo">070</span>    }<a name="line.70"></a>
<span class="sourceLineNo">071</span><a name="line.71"></a>
<span class="sourceLineNo">072</span>    @Override<a name="line.72"></a>
<span class="sourceLineNo">073</span>    public int hashCode() {<a name="line.73"></a>
<span class="sourceLineNo">074</span>        return this.host.hashCode() ^ this.port;<a name="line.74"></a>
<span class="sourceLineNo">075</span>    }<a name="line.75"></a>
<span class="sourceLineNo">076</span>}<a name="line.76"></a>
<span class="sourceLineNo">077</span><a name="line.77"></a>




























































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